• 제목/요약/키워드: 03A05

검색결과 1,676건 처리시간 0.037초

토마토 재배를 위한 바이오차 최적시용 비율 평가 (Assessment of an Optimum Biochar Application Rate for Tomato(Solanum lycopersicum L.) Cultivation)

  • 박도균;홍승길;장은숙;신중두
    • 유기물자원화
    • /
    • 제27권1호
    • /
    • pp.39-48
    • /
    • 2019
  • 본 연구의 목적은 원예작물을 대상으로 밭에서 바이오차 시용에 따른 토마토 재배 시 바이오차의 적정 시용비율을 구명하고, 탄소 격리량을 산정하는 것이다. 바이오차는 0.01%, 0.03%, 0.05% 및 0.07%(w/w, 토양/바이오차)로 구분하여 처리하였으며, 비료는 N-P-K, 20.4-10.3-12.2kg $10a^{-1}$를 기비와 추비로 나누어 시용하였고, 돈분퇴비는 $440kg\;10a^{-1}$를 기준으로 전량 기비로 투입하였다. 토양 이화학성의 결과를 보면 토양중의 $NO_3-N$함량은 바이오차 처리 9일 후 가장 높게 나타났지만 처리간 유의성은 없었지만(p>0.05) NH4-N 함량은 바이오차 처리 후 14일 후 바이오차 처리구에서 낮게 나타났다. 토양중의 $P_2O_5$ 함량은 바이오차 처리 후 19일 후 0.01%를 제외한 바이오차 처리구에서 낮게 나타났다. 토양 중 $K_2O$ 함량은 바이오차 처리 후 6일 때 대조구와 비교하였을 때 0.01%와 0.03%가 높게 났다. 하지만 다른 처리구와 비교 하였을 때 유의차가 인정되지 않았다. 질소 효율성을 보면 0.05%에서 가장 높았으며, 또한 토마토 생육도 바이오차 처리량에 관계없이 좋았다. 바이오차 0.05% 시용구에서 질소 효율성 및 토마토 생육과 수량이 가장 높게 나타났다. 바이오차 투입량 변화에 따른 탄소 격리량 산정에서는 0.03% 처리에서 $2.83mg\;kg^{-1}$으로 가장 높게 나타났지만, 토마토 수량 측면에서 바이오차 적정 시용비율은 0.05%라고 판단된다.

산란계에 Microbial Phytase 첨가시 산란율, 계란 품질, 인 이용율 및 영양소 대사율에 미치는 영향 (Effect of Dietary Microbial Phytase on Laying Performance, Egg Quality, Phosphorus Utilization and Nutrient Metabolizability in Laying Hens)

  • 장해동;현영;김희성;황일환;유종상;김효진;신승오;황염;주천상;진영걸;조진호;김인호
    • 한국가금학회지
    • /
    • 제35권2호
    • /
    • pp.115-121
    • /
    • 2008
  • 본 시험은 microbial phytase을 첨가하여 산란계에 급여시 산란율, 계란 품질, 인 이용율 및 영양소 소화율에 미치는 영향을 조사하기 위하여 수행하였다. 32주령 Hy-Line Brown 갈색계 120수를 공시하여, 4주간 사양시험을 실시하였다. 시험 설계는 CON(control), LP(low phosphorus diet), NP(low phosphorus diet + 0.03% normal microbial phytase) 및 CP(low phosphorus diet + 0.03% coated microbial phytase)로 4개 처리를 하여 처리당 5반복, 반복당 6수씩 완전 임의 배치하였다. 전체 기간 동안 산란율은 CON과 CP 처리구가 LP 처리구보다 높게 나타났다(P<0.05). 난각 강도와 난각 두께는 LP 처리구에 비해 CON, CP 및 NP 처리구가 높게 나타났다(P<0.05). 난황색과 haugh unit에서는 CON, CP 및 NP 처리구가 LP 처리구보다 높게 나타났다(P<0.05). 혈액내 칼슘과 인 농도는 CP 처리구가 LP 처리구에 비해 높게 나타났다(P<0.05). 건물 소화율과 질소 소화율에서는 CP 처리구가 CON, LP 및 NP 처리구에 비하여 유의적으로 증가하였다(P<0.05). 회분소화율은 CON, CP 및 NP 처리구가 LP 처리구에 비해 증가하였다(P<0.05). 칼슘 소화율과 인 소화율에서는 CP와 NP 처리구가 CON과 LP 처리구에 비해 높게 나타났다(P<0.05). 칼슘 흡수량은 CON, CP 및 NP 처리구가 LP 처리구보다 유의적으로 높게 나타났다(P<0.05). 인 흡수량은 CP와 NP 처리구가 CON과 LP 처리구와 비교하여 유의적으로 높게 나타내었다(P<0.05). 질소와 칼슘 배출량은 CON, NP 및 CP 처리구가 LP 처리구에 비해 유의적으로 낮게 나타냈다(P<0.05). 인 배출량은 LP, NP 및 CP 처리구가 CON 처리구에 비해 유의적으로 낮게 나타내었다(P<0.05). 결론적으로, 산란계에 있어 코팅된 microbial phytase의 첨가는 산란율, 계란 품질, 혈액 내 칼슘과 무기태 인, 영양소 소화율과 칼슘 및 인 흡수량을 증진시키며, 질소와 칼슘 배출량을 감소시키는 것으로 나타났다.

퍼머넌트 웨이브 시술에 따른 모발의 중금속 함량의 변화 (Variations of the Heavy Metal Contents in Human Hairs According to Permanent Wave Manipulation)

  • 정연
    • 한국의류산업학회지
    • /
    • 제4권3호
    • /
    • pp.266-272
    • /
    • 2002
  • This research is compared and analyzed variations of the heavy metal contents in human hairs according to treating permanent wave manipulation before and after and permanent wave agents. This is the survey of women's hairs in 19 years old. On the basis of this we would like to analyze a extend of exposing of heavy metal scientifically. Also, we would to show a basic data for the permitted limits of heavy metal to keep the healthy hair The conclusion is as follows.; Mean contents of heavy metal in hairs is 2.11 ppm (Pb), 0.25 ppm (Cd), 2.62 ppm (Ni), 256 ppm (Zn), 8.45 ppm (Cu). In reducing agents (processing lotions) of perm, 1.50 ppm (Pb), 0.03 ppm (Cd), 0.05 ppm (Ni), 15.45 ppm (Zn), 0.86 ppm (Cu) in a perm (S), 2.30 ppm (Pb), 0.05 ppm (Cd), 0.05 ppm (Ni), 13.05 ppm (Zn), 0.65 ppm (Cu) in a perm (T). In oxidizing agents (neutralizer) of perm, 1.40 ppm (Pb), 0.03 ppm (Cd), 0.09 ppm (Ni), 9.05 ppm (Zn), 0.65 ppm (Cu) in a perm (S), 1.50 ppm (Pb), 0.02 ppm (Cd), 0.16 ppm (Ni), 8.00 ppm (Zn), 0.85 ppm (Cu) in a perm (T). Mean contents of lead(Pb) didn't show significant differences according to treating cysteine perm agents, showed it according to 3 treating thioglycolic acid perm agents (p<0.05). Mean contents of cadmium(Cd) showed significant differences (p<0.001) according to 2 treating both perm agents. Mean contents of nickel (Ni) showed neither. Mean contents of zinc (Zn) showed significant differences according to 2 treating cysteine perm agents (p<0.001) and 1 treating thioglycolic acid perm agents (p<0.01). Mean contents of copper (Cu) didn't show significant differences according to treating cysteine perm agents, showed it according to 1 treating thioglycolic acid perm agents (p<0.001).

가금(家禽)과 포유가축(哺乳家畜) 적혈구(赤血球)의 삼투적(參透的) 취약성(脆弱性)의 비교(比較) (Comparison of erythrocyte osmotic fragility in domestic chicken duck, quail, dog and pig)

  • 민병만;김환균;김성열;구찬회
    • 대한수의학회지
    • /
    • 제32권3호
    • /
    • pp.403-406
    • /
    • 1992
  • The study was attempted to scrutinize the normal osmotic fragility of erythrocytes in domestic poultry such as chicken, quail and duck, making a comparison with that in domestic mammalia such as dog and pig. Osmotic fragility of erythrocytes was determined on blood samples from 10 healthy adult animals in each species. Optical initial hemolysis of erythrocytes occurred at $0.395{\pm}0.03%$ NaCl for chicken, $0.410{\pm}0.03%$ for duck, $0.440{\pm}0.02%$ for quail, $0.470{\pm}0.05%$ for dog and $0.560{\pm}0.03%$ for pig. Optical complete hemolysis of erythrocytes occurred at $0.270{\pm}0.02%$ NaCl for chicken, $0.305{\pm}0.03%$ for duck, $0.360{\pm}0.02%$ for quail, $0.370{\pm}0.03%$ for dog and $0.455{\pm}0.03%$ for pig. In other words, erythrocytes of poultry have stronger resistance to osmotic lysis than those of mammalia, showing the strongest resistance in chicken among the tested poultry.

  • PDF

Co-Doped Willemite 파란색 안료의 합성과 생성기구 (Synthesis and Formation Mechanism of Cobalt Doped Willemite Blue Pigments)

  • 황동하;한경섭;이병하
    • 한국세라믹학회지
    • /
    • 제47권6호
    • /
    • pp.603-607
    • /
    • 2010
  • Turquoise blue pigment of Vanadium-zircon blue (DCMA number 14-42-2), which was already commercialized, was stable to be reproduced but insufficient to give strong blue. However, it possible to obtain more intense blue by partially substituting cobalt ions into the willemite($Zn_2SiO_4$) lattice classified into DCMA number 7-10-2 for blue ceramic pigment. By the composition of willemite $Co_xZn_{2-x}SiO_4$(X=0.01, 0.03, 0.05, 0.07, 0.09 mole), this study used reagent grade zinc oxide, cobalt oxide and silicon dioxide as starting materials, carrying out the synthesis with solid reaction method by adding $H_3BO_3$ as a mineralizer. The firing temperature was between $1200^{\circ}C$ and $1400^{\circ}C$. The characteristics of synthesized pigment were analyzed by X-ray diffraction, Raman spectroscopy and SEM and the characteristics of color tones were analyzed by UV-Vis spectroscopy and CIE-$L^*a^*b^*$ measurement. As a result, the optimal composition was $Zn_{1.95}Co_{0.05}$ with 1wt% of $H_3BO_3$ as a mineralizer and firing condition was $1350^{\circ}C$/3 h. $L^*a^*b^*$ value was 29.25, 41.03, -59.93 for on glaze pigment and 37.03, 36.41, -60.03 for under glaze pigment.

백서 안와하신경에서 알콜 및 글리세롤 주입의 효과 (EFFECTS OF ALCOHOL AND GLYCEROL INJECTION ON THE RAT INFRAORBITAL NERVE)

  • 윤천주;유선열
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
    • /
    • 제27권2호
    • /
    • pp.150-156
    • /
    • 2001
  • This study was performed to investigate the changes of nerve after the injection of alcohol and glycerol at the infraorbital nerve in rats. Using the eighteen Sprague-Dawley rats, weighing $200{\sim}250g$, 99% alcohol, pure glycerol, and sterile saline was injected to the epineurium of the infraorbital nerve. Glycerol injected rats were devided into 0.01ml, 0.03ml and 0.05ml groups. The alcohol and control group were injected 0.03ml at the left infraorbital nerve. The following results were obtained by histopathological examination after 1 week, 1 month, and 3 months. A few inflammatory cell infiltration and no signs of nerve degeneration were noted in control group. Total nerve degeneration was noted in the alcohol group and no regeneration was noted in 1month, and partial regeneration was noted at 3month. The nerve degeneration was noted at the periphery of nerve bundle in 0.01ml glycerol injection group. Total degeneration was noted in the 0.03ml and 0.05ml glycerol injection group and the degree was propotional to dose. These results suggest that injection of alcohol and glycerol are effective to nerve blockage by nerve degeneration, and nerve degeneration by glycerol injection is propotional to dose and nerve regeneration by glycerol injection is inversely propotional to dose.

  • PDF

Effects of Supplemental Levels of Bazhen on Growth Performances, Serum Traits, Immunity, Meat Quality and Antioxidant Activity of Taiwan Country Chickens

  • Lien, Tu-Fa;Lin, Kou-Joong;Yang, Ling-Ling;Chen, Lih-Geeng
    • Asian-Australasian Journal of Animal Sciences
    • /
    • 제26권5호
    • /
    • pp.675-682
    • /
    • 2013
  • One hundred and sixty Taiwan country chickens (d-old chicks) were randomly assigned into four groups with four replicates and equal sex. Basal diets were supplemented with 0, 0.5, 1 and 2% of Bazhen powder, a traditional Chinese herbal medicine complex. The study was conducted for 14 wks. Experimental results indicated that Bazhen supplement did not influence feed intake, body weight gain and feed:gain ratio. Compared with control group, the percentage of serum HDL (high-density lipoprotein) linearly increased (p<0.03) and that of VLDL+LDL (very low-density+low-density lipoprotein) linearly decreased (p<0.03) in Bazhen supplemented groups, that 2% Bazhen was significantly different with control group (p<0.05). Chickens fed diets containing 2% Bazhen displayed reduced (p<0.05) serum GOT (glutamic-oxaloacetic transaminase) levels. The IgG, ${\gamma}$-globulin levels and PHA (phytohemagglutinin) skin challenge results in 1% Bazhan supplemented group were higher (p<0.05) than in the control group, the SRBC (sheep red blood cell) and ND (newcastle disease) titers in Bazhen supplemented groups were linear higher (p<0.05) than in the control group. The liver catalase activity and the capacity of scavenging DPPH (${\alpha}$-${\alpha}$-diphenyl-${\beta}$-picrylhydrazyl) radical were linearly increased (p<0.03) in Bazhen supplemented groups, and the 1 and 2% groups were different from the control group (p<0.05). Liver TBARS (thiobarbituric acid-reactive substances) levels in all Bazhen supplemented groups and total glutathione level in the 2% group were reduced (p<0.05) compared to the control group and displayed a linear response (p<0.05). The TBA (thiobarbituric acid) and pH value of the breast muscle after 24 h post-mortem in the Bazhen supplemented groups was linear lower (p<0.05) than in the control group. Results from this study demonstrated that Bazhen supplement in chicken had several beneficial effects, including increased SRBC and ND titers, HDL and IgG, ${\gamma}$-globulin levels, PHA skin challenge result, decreased VLDL+LDL and GOT levels, and displayed antioxidation effects in serum and carcass meat parameters.

녹차 물로 재배한 콩나물의 생육 특성 (A Study on Characteristics of Soybean Sprouts Cultured with Green Tea Extracted)

  • 김금숙;정수영;정종갑;신미경
    • 동아시아식생활학회지
    • /
    • 제15권6호
    • /
    • pp.752-758
    • /
    • 2005
  • This study examined growth and sensory characteristics of soybean sprout cultured at $25\pm1^{\circ}C$ for 4 days with distilled water(control) and green tea extract(0.03 and $0.05\%$). Initial germination rate was higher when soaking in green-tea extract than in the control. The proper concentration of green-tea extract was $0.03\%$. The growth of soybean sprout in $0.05\%$ green-tea extract was better than the control for the hypocotyl thickness and mot hair. Soybean sprout grown with green-tea extract were better than that with control inappearance, flavor, texture and over-all acceptabilitty.

  • PDF

Negative Association of the HLA-DQB1*02 Allele with Breast Cancer Development among Jordanians

  • Atoum, Manar Fayiz;Tanashat, Reem Qasem;Mahmoud, Sameer Al Haj
    • Asian Pacific Journal of Cancer Prevention
    • /
    • 제14권11호
    • /
    • pp.7007-7010
    • /
    • 2013
  • Background: In the literature, data concerning the relationship between breast cancer and HLA class II gene polymorphisms are limited, so the aim of this study was to determine if HLA-DQB1 and HLA-DRB1 MHC class-II alleles may confer susceptibility or resistance to the disease among Jordanian females. Materials and Methods: This case control study enrolled 56 Royal Hospital breast cancer patients and 60 age matched healthy controls, all of whom provided blood samples (2011-2013). A questionnaire was filled after signing a consent form and DNA was extracted, nucleic acids being amplified for assessment of HLA-DQB1 and HLA-DRB1 alleles by muliplex INNO-LiPA and allele typing carried out by reverse hybridization. Comparison of HLA-DQB1 and HLA-DRB1 allele distributions was carried out with paired t-test and chi-square statistics. Risk factors were assessed by odd ratios with 95% confidence intervals. Results: A significant negative correlation was observed between $HLADQB1^*$ 02 alleles and breast cancers (p=0.013). No significant associations were observed among $HLADQB1^*$ 03, 04, 05 and 06 or among $HLA-DRB1^*$ 01, 03, 04, 07, 08, 10, 11, 13, 14 and 15. Conclusions: $HLADQB1^*$ 02 alleles may provide positive protection against breast tumor risk among Jordanians, but not $HLADQB1^*$ 03, 04, 05 and 06 or $HLA-DRB1^*$ 01, 03, 04, 07, 08, 10, 11, 13, 14 and 15 alleles.

쥐 경동맥 손상 모델에서 Poly(n-butylmethacrylate) 혹은 Poly(3-hydroxybutyrate-co-4-hydroxybutyrate)를 이용한 Paclitaxel 국소 전달 요법의 신생내막 형성 억제 효과 (Inhibition of Intimal Hyperplasia by Perivascular Delivery of Paclitaxel Using Poly(n-butylmethacrylate) or Poly(3-hydroxybutyrate-co-4-hydroxybutyrate) in Balloon-Injured Rat Carotid Arteries)

  • 권진숙;이호연;허신행;박노관;심태진;김유경;김범수;김동운
    • 폴리머
    • /
    • 제32권3호
    • /
    • pp.284-289
    • /
    • 2008
  • Poly(n-butylmethacrylate)(PBMA)와 poly(3-hydroxybutyrate-co-4-hydroxybutyrate)(PHA)가 혈관 협착 방지를 위한 국소 약물 요법시 유용한 고분자인지 검정하였다. 10% paclitaxel 함유 필름으로부터 방출되는 paclitaxel은 초기 1주간은 빠르게, 30일까지는 중증도로, 이후는 천천히 방출되었다. Paclitaxel 함유 필름들은 풍선 손상을 가한 쥐 경동맥의 신생내막 증식을 억제하였다(PBMA vs control : $0.03{\pm}0.02$ vs $0.10{\pm}0.01\;mm^2$, p<0.05; PHA vs control: $0.04{\pm}0.03$ vs $0.09{\pm}0.01\;mm^2$, p<0.05). PBMA와 PHA는 혈관 협착 방지를 위한 약물 전달 고분자로 유용할 것으로 사료된다. 고분자 필름은 혈관 외벽에 장착이 용이한 경우 사용될 수 있다. 또한, 이 고분자들은 약물 방출 스텐트 개발시 이용될 수 있다.